Non-Hodgkin lymphoma is a cancer of the lymphatic system. The lymphatic system is a series of tubes and nodes that run through the body. It contains a fluid that helps fight infections and moves waste out of the body.
This cancer starts in a type of lymph cell called a lymphocyte. These cells spread throughout the lymph system. Over time, the cells will make it harder for a child's body to fight infections.
This cancer different from Hodgkin lymphoma. This is another type of cancer that affects the lymphatic system.
The Lymphatic System
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The exact cause is not known. Faulty genes may be related to this cancer.
This cancer is rare in children, but it is more common in children who are older. Other things that may raise the risk are:
Symptoms may vary greatly in each child. Symptoms may include:
You will be asked about your child’s symptoms and health history. A physical exam will be done. It will focus on the lymph nodes.
Blood tests may be done to look for signs of cancer.
Fluid and tissue samples may be taken to look for signs of cancer. This can be done with:
Your child's body structures may need to be viewed. This can be done with:
Treatment depends on the stage of the disease. The stage is determined by how far the cancer has spread and what organs are affected.
Chemotherapy is the use of drugs to kill cancer cells. The drugs enter the bloodstream and travel through the body killing mostly cancer cells. With radiation therapy, radiation is aimed at a specific area to kill the cancer cells. Some children may have both chemotherapy and radiation.
Treatment and the cancer itself can damage blood and lymph cells. Transplantation will help the body rebuild these cells. Choices are:
These medicines increase or restore the body’s natural defenses against cancer. Sometimes a drug or antibody that is directed at the lymphoma is linked to a radioactive substance. It will deliver a focused dose of radiation to the tumor.
There is no known way to prevent this form of cancer.
American Cancer Society
Leukemia and Lymphoma Society
Canadian Cancer Society
Lymphoma Foundation Canada
Bowzyk Al-Naeeb A, Ajithkumar T, et al. Non-Hodgkin Lymphoma. BMJ. 2018 Aug 22;362:k3204.
Non-Hodgkin lymphoma in children. American Cancer Society website. Available at:
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Accessed September 21, 2020.
Non-Hodgkin’s lymphoma (NHL). Children’s Hospital of Wisconsin website. Available at: https://www.chw.org/medical-care/macc-fund-center/conditions/oncology/non-hodgkins-lymphoma-nhl. Accessed September 21, 2020.
Non-Hodgkin lymphoma (HL). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/non-hodgkin-lymphoma-nhl . Accessed September 21, 2020.
Last reviewed March 2020 by
EBSCO Medical Review Board
Kari Kassir, MD
Last Updated: 9/21/2020